[wuhn-men-ee; usually read as wuhn-tuh-men-ee]
- (of a relation) having the property that an element may be assigned to several elements but that given an element, only one may be assigned to it.
Origin of one-many
First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- maths logic (of a relation) holding between more than one ordered pair of elements with the same first member